diff --git a/nova/network/neutronv2/api.py b/nova/network/neutronv2/api.py
index 6dc6b66a1121..81122f99a721 100644
--- a/nova/network/neutronv2/api.py
+++ b/nova/network/neutronv2/api.py
@@ -387,8 +387,8 @@ class API(base_api.NetworkAPI):
         # and in later runs will only be what was created that time. Thus,
         # this only affects the attach case, not the original use for this
         # method.
-        return network_model.NetworkInfo([port for port in nw_info
-                                          if port['id'] in created_port_ids +
+        return network_model.NetworkInfo([vif for vif in nw_info
+                                          if vif['id'] in created_port_ids +
                                                            touched_port_ids])
 
     def _refresh_neutron_extensions_cache(self, context):
diff --git a/nova/tests/virt/xenapi/client/test_objects.py b/nova/tests/virt/xenapi/client/test_objects.py
index a4e5d35804d1..31d3df5c63b5 100644
--- a/nova/tests/virt/xenapi/client/test_objects.py
+++ b/nova/tests/virt/xenapi/client/test_objects.py
@@ -102,11 +102,6 @@ class VBDTestCase(stubs.XenAPITestBaseNoDB):
         self.session.VBD.plug("vbd_ref", "vm_ref")
         self.session.call_xenapi.assert_called_once_with("VBD.plug", "vbd_ref")
 
-    @mock.patch.object(utils, 'synchronized')
-    def test_vbd_plug_check_synchronized(self, mock_synchronized):
-        self.session.VBD.plug("vbd_ref", "vm_ref")
-        mock_synchronized.assert_called_once_with("xenapi-vbd-vm_ref")
-
     def test_unplug(self):
         self.session.VBD.unplug("vbd_ref", "vm_ref")
         self.session.call_xenapi.assert_called_once_with("VBD.unplug",
diff --git a/nova/tests/virt/xenapi/test_volumeops.py b/nova/tests/virt/xenapi/test_volumeops.py
index 5f541a024ebf..5fca3878d4c6 100644
--- a/nova/tests/virt/xenapi/test_volumeops.py
+++ b/nova/tests/virt/xenapi/test_volumeops.py
@@ -236,7 +236,7 @@ class AttachVolumeTestCase(VolumeOpsTestBase):
                                             False)
 
     @mock.patch.object(volumeops.VolumeOps, "_attach_volume")
-    def test_attach_volume_default_hotplug(self, mock_attach):
+    def test_attach_volume_default_hotplug_connect_volume(self, mock_attach):
         self.ops.connect_volume({})
         mock_attach.assert_called_once_with({})
 
diff --git a/nova/tests/volume/test_cinder.py b/nova/tests/volume/test_cinder.py
index 868bd25a82af..affa85a7c9dc 100644
--- a/nova/tests/volume/test_cinder.py
+++ b/nova/tests/volume/test_cinder.py
@@ -13,8 +13,6 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
-
 from cinderclient import exceptions as cinder_exception
 import mock
 
diff --git a/nova/virt/libvirt/lvm.py b/nova/virt/libvirt/lvm.py
index 49943606cf88..0671a5086b57 100644
--- a/nova/virt/libvirt/lvm.py
+++ b/nova/virt/libvirt/lvm.py
@@ -28,7 +28,6 @@ from nova.openstack.common.gettextutils import _LW
 from nova.openstack.common import log as logging
 from nova.openstack.common import processutils
 from nova.openstack.common import units
-from nova import utils
 from nova.virt.libvirt import utils
 
 
diff --git a/tox.ini b/tox.ini
index 7c4525017cd4..05cd9c35e5b7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -58,10 +58,10 @@ sitepackages = False
 # E125 is deliberately excluded. See https://github.com/jcrocholl/pep8/issues/126
 # The rest of the ignores are TODOs
 # New from hacking 0.9: E129, E131, E265, E713, H407, H405, H904
-# Stricter in hacking 0.9: F402, F812
+# Stricter in hacking 0.9: F402
 # E251 Skipped due to https://github.com/jcrocholl/pep8/issues/301
 
-ignore = E121,E122,E123,E124,E125,E129,E126,E127,E128,E131,E251,E265,E711,E712,E713,F811,F402,F812,H305,H307,H405,H803,H904
+ignore = E121,E122,E123,E124,E125,E129,E126,E127,E128,E131,E251,E265,E711,E712,E713,F402,H305,H307,H405,H803,H904
 exclude =  .venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools
 
 [hacking]